<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>边框样式</title>
</head>
<body>
<div style="width:200px; height:50px; border-color:red; 
     border-width:5px; border-style:solid;"></div>
<div style="width:300px; height:50px; border-color:green; 
	 border-width:5px; border-style:dashed;"></div>
<div style="width:400px; height:50px; border-color:blue; 
	 border-width:5px; border-style:dotted;"></div>
</body>
</html>
